<template>
  <view>
    <!-- 搜索组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    <!-- 轮播图区域 indicator-dots(小圆点)autoplay(自动轮播)interval(轮播时间) duration(轮播开始到结束所用时间)circular(开启循环轮播)   -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000":circular="true"> 
      <swiper-item v-for="(item,i) in swiperList" key="goods_id">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id"> 
          <image :src="item.image_src" mode=""></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,i) in navLIst" :key="i" @click="navClickHandler(item)">
        <img :src="item.image_src" class="nav-img" alt="">
      </view>
    </view>
    <!-- 楼层区域 -->
    <view class="floor-list">
       <!-- 楼层item项 -->
      <view class="floor-item" v-for="(item,i) in floorList" :key="i">
        <!-- 楼层标题 -->
        <image :src="item.floor_title.image_src" mode="" class="floor-title"></image>
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片的盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧 4 个小图片的盒子-->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url ">
            <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
    import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins:[badgeMix],
    data() {
      return {
        //这是轮播图数据列表
        swiperList:[],
        // 分类导航的数据列表
        navLIst:[],
        //楼层的数据
        floorList:[]
      };
    }, 
    onLoad() {
      // 调用方法获取轮播图的数据
      this.getSwiperList()
      // 调用方法获取分类导航的数据
      this.getNavList()
      // 调用方法获取楼层的数据
      this.getfloorList()
    },
    methods:{
     async getSwiperList(){
      const {data:res}= await uni.$http.get('/api/public/v1/home/swiperdata')
      // 请求失败
      if(res.meta.status!==200) return uni.$showMsg()
      this.swiperList=res.message
      },
     async getNavList(){
       const {data:res}= await uni.$http.get('/api/public/v1/home/catitems')
        if(res.meta.status !==200) return uni.$shoMsg()
        this.navLIst=res.message
      },
      navClickHandler(item){
        console.log(item)
      if(item.name ==='分类'){
         uni.switchTab({
             url: '/pages/cate/cate'
           })
      }
      },
      // 获取楼层数据
     async getfloorList(){
      const {data:res} = await uni.$http.get('/api/public/v1/home/floordata')
      if(res.meta.status!==200) return uni.$showMsg()
      // 通过双层foreach循环,处理URl地址
      res.message.forEach(floor => {
        floor.product_list.forEach(prod => {
          prod.url = '/subpkg/goods_list/goods_list?'+prod.navigator_url.split('?')[1]
        })
      })
      this.floorList=res.message
      },
      gotoSearch(){
        uni.navigateTo({
          url:"/subpkg/search/search"
        })
      }
    }
  }
</script>

<style lang="scss">
  // 轮播图样式
swiper{
  height: 330rpx;
  .swiper-item,image{
    width: 100%;
    height: 100%;
  }
}
//nav-list区域
.nav-list{
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
  .nav-img{
    width: 128rpx;
    height: 140rpx;
  }
}
// 楼层区域
.floor-title {
  height: 60rpx;
  width: 100%;
  display: flex;
}
.right-img-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  
  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }
 .search-box{
   // 设置定位效果为:吸顶
   position: sticky;
   // 吸顶的位置
   top: 0;
   // 提高层级,防止被轮播图覆盖
   z-index: 99;
 }
</style>
